Made with 70% cotton and 30% stretch nylon, the Wigwam Cypress Socks in White/Black are a lightweight pair of socks with no branding to be seen for a minimal but stylish look. A ribbed opening ensures socks don't slip down during a long day. One pair of socks.M = UK 5-8L = UK 8-12Wigwam are really thinking hard about their product and keeping things sustainable throughout their manufacturing process. Key projects and processes include, - The factory in Sheboygan, USA uses solar panels for heating- Water is recycled and often returned cleaner than when it came in- Energy efficient lighting in the factory is used which is motion activated. - Re-use, re-cycle-re-purpose: With a goal of ensuring as little waste as possible, all socks, samples (& any seconds) are paired and bundled for use by charities or for re-use in the factory. - No fibre left behind: Their Goal is zero landfill and Wigwam now work with Martex industries in order to ensure nothing is left behind.